Home / 20,454,447.83-30,673,698.11-7,667,975.75

Finding the Fourth Proportional to 20,454,447.83, 30,673,698.11 and 7,667,975.75

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Solution

The fourth proportional to 20,454,447.83, 30,673,698.11 and 7,667,975.75 is: 11,498,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,447.83 : 30,673,698.11 = 7,667,975.75 : x
  2. Step 2: Convert to fraction form
    20,454,447.83/30,673,698.11 = 7,667,975.75/x
  3. Step 3: Cross multiply
    20,454,447.83x = 30,673,698.11 × 7,667,975.75
  4. Step 4: Simplify right side
    20,454,447.83x = 235,205,173,231,960.97
  5. Step 5: Solve for x
    x = 235,205,173,231,960.97/20,454,447.83
  6. Step 6: Final answer
    x = 11,498,974.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.